/* Shell: header, nav, music, footer */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  mix-blend-mode: normal;
  transition: background 0.4s var(--ease-soft), backdrop-filter 0.4s;
}

.site-header.is-scrolled {
  background: rgb(13 66 45);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.55rem;
  z-index: 2;
  margin-top: 15px;
}

.brand__mark {
  width: clamp(7.5rem, 14vw, 10.5rem);
  height: auto;
  object-fit: contain;
  filter: brightness(1.05) contrast(1.05);
  margin-top: 0;
}

.brand__year {
  display: block;
  margin: 0;
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.05rem + 0.7vw, 1.6rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.1em;
  color: #d5b87a;
  position: relative;
  top: 8px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 2rem);
  z-index: 2;
  font-weight: 600;
  background: rgb(13 66 45);
}

.header-actions button,
.header-actions .music-control__label,
.header-actions .music-control__state {
  font-weight: 600;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  overflow: hidden;
}

.lang-switch button {
  padding: 0.4rem 0.65rem;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--paper-muted);
  transition: background 0.25s, color 0.25s;
}

.lang-switch button.is-active {
  background: rgba(184, 149, 90, 0.2);
  color: var(--brass-soft);
}

.lang-switch button:hover {
  color: var(--paper);
}

/* Music control */
.music-control {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.5rem;
  flex-shrink: 0;
}

.music-control__label {
  font-size: var(--text-xs);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--paper-muted);
}

.music-control__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border: 1px solid var(--line-strong);
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  transition: border-color 0.3s, background 0.3s;
}

.music-control__btn:hover {
  border-color: var(--brass);
  background: rgba(184, 149, 90, 0.08);
}

.music-control__icon {
  width: 0.65rem;
  height: 0.65rem;
  display: grid;
  place-items: center;
}

.music-control__icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.music-control__state {
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.music-control.is-playing .music-control__btn {
  border-color: var(--brass);
}

.music-eq {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
  opacity: 0;
  transition: opacity 0.3s;
}

.music-control.is-playing .music-eq {
  opacity: 1;
}

.music-eq span {
  width: 2px;
  background: var(--brass);
  height: 40%;
  animation: none;
}

.music-control.is-playing .music-eq span {
  animation: eq 0.85s ease-in-out infinite;
}

.music-control.is-playing .music-eq span:nth-child(2) {
  animation-delay: 0.15s;
  height: 70%;
}

.music-control.is-playing .music-eq span:nth-child(3) {
  animation-delay: 0.3s;
  height: 50%;
}

@keyframes eq {
  0%,
  100% {
    transform: scaleY(0.45);
  }
  50% {
    transform: scaleY(1);
  }
}

.music-volume {
  width: 64px;
  accent-color: var(--brass);
  opacity: 0.7;
}

.music-volume:hover {
  opacity: 1;
}

/* Brief now-playing blur toast */
.music-toast {
  position: fixed;
  inset: 0;
  z-index: 95;
  display: grid;
  place-items: center;
  padding: var(--gutter);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  background: rgba(12, 10, 8, 0.28);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: opacity 0.55s var(--ease-soft), visibility 0.55s;
}

.music-toast.is-visible {
  opacity: 1;
  visibility: visible;
}

.music-toast__panel {
  text-align: center;
  max-width: 18rem;
  transform: translateY(10px);
  transition: transform 0.55s var(--ease-out);
}

.music-toast.is-visible .music-toast__panel {
  transform: translateY(0);
}

.music-toast__eyebrow {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--paper-muted);
  margin-bottom: 0.65rem;
}

.music-toast__title {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1rem + 1.5vw, 1.75rem);
  line-height: 1.25;
  color: var(--brass-soft);
  letter-spacing: 0.02em;
}

@media (prefers-reduced-motion: reduce) {
  .music-toast,
  .music-toast__panel {
    transition: none;
  }
}

/* Real-size off-screen host — clipped 0×0 iframes often fail to play */
#yt-music-host {
  position: fixed;
  width: 320px;
  height: 180px;
  left: -9999px;
  top: 0;
  opacity: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.music-control.is-error .music-control__btn {
  border-color: #a05050;
  color: #e8b4b4;
}

.music-control.is-loading .music-control__state {
  letter-spacing: 0.12em;
}

/* Nav toggle */
.nav-toggle {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  position: relative;
}

.nav-toggle__bars {
  width: 1.35rem;
  height: 1px;
  background: var(--paper);
  position: relative;
  transition: background 0.25s;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--paper);
  transition: transform 0.35s var(--ease-out);
}

.nav-toggle__bars::before {
  top: -6px;
}

.nav-toggle__bars::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Fullscreen nav — scrollable, compact on desktop */
.site-nav {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(12, 10, 8, 0.96);
  display: flex;
  align-items: stretch;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease-out), visibility 0.5s;
  padding: calc(var(--header-h) + 0.75rem) var(--gutter) 1.25rem;
  overflow: hidden;
}

.site-nav.is-open {
  opacity: 1;
  visibility: visible;
}

.site-nav__inner {
  width: min(36rem, 100%);
  height: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 0;
  overflow: hidden;
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0.25rem 0.35rem 0.75rem 0;
  width: 100%;
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
  gap: 0;
  text-align: left;
  scrollbar-width: thin;
  scrollbar-color: rgba(184, 149, 90, 0.45) transparent;
}

.site-nav__list::-webkit-scrollbar {
  width: 6px;
}

.site-nav__list::-webkit-scrollbar-thumb {
  background: rgba(184, 149, 90, 0.4);
  border-radius: 999px;
}

.site-nav__list a {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 0.92rem + 0.55vw, 1.45rem);
  line-height: 1.15;
  display: block;
  padding: 0.28rem 0.2rem;
  transition: color 0.3s;
}

.site-nav__list a:hover {
  color: var(--brass-soft);
}

.site-nav__list a em {
  font-style: normal;
  font-family: var(--font-body);
  font-size: 0.42em;
  letter-spacing: 0.18em;
  vertical-align: super;
  color: var(--brass);
  margin-right: 0.55rem;
}

.site-nav__list li.is-footer-link a {
  font-size: clamp(0.98rem, 0.9rem + 0.35vw, 1.2rem);
  color: var(--paper-muted);
  margin-top: 0.2rem;
}

.site-nav__list li:not(.is-footer-link) + li.is-footer-link {
  margin-top: 0.55rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
}

.site-nav__list li.is-footer-link a:hover {
  color: var(--brass-soft);
}

.site-nav__social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  padding-top: 0.25rem;
  border-top: 1px solid var(--line);
  flex: 0 0 auto;
}

.site-nav__social[hidden] {
  display: none;
}

.site-nav__social-link {
  width: 2.55rem;
  height: 2.55rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--brass-soft);
  transition: color 0.25s, border-color 0.25s, background 0.25s, transform 0.25s;
}

.site-nav__social-link svg {
  width: 1.1rem;
  height: 1.1rem;
  display: block;
}

.site-nav__social-link:hover,
.site-nav__social-link:focus-visible {
  color: var(--paper);
  border-color: rgba(184, 149, 90, 0.7);
  background: rgba(184, 149, 90, 0.12);
  transform: translateY(-2px);
  outline: none;
}

@media (max-width: 720px) {
  .site-nav__list {
    text-align: center;
  }

  .site-nav__list a {
    font-size: clamp(1.35rem, 1.1rem + 1.6vw, 1.9rem);
    padding: 0.32rem 0.2rem;
  }

  .site-nav__social {
    justify-content: center;
  }
}

main#barba-container {
  min-height: 100vh;
  padding-top: 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--space-6) var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) auto auto;
  gap: var(--space-4) var(--space-5);
  align-items: end;
  color: var(--paper-muted);
  font-size: var(--text-sm);
}

.site-footer strong,
.site-footer__brand strong {
  color: var(--paper);
  font-weight: 400;
  font-family: var(--font-display);
  font-size: 1.25em;
  display: block;
  margin-bottom: 0.35rem;
}

.site-footer__contact {
  display: grid;
  gap: 0.35rem;
}

.site-footer__line a {
  color: var(--paper-muted);
  border-bottom: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s;
}

.site-footer__line a:hover {
  color: var(--brass-soft);
  border-color: rgba(184, 149, 90, 0.45);
}

.site-footer__credit {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-muted);
  justify-self: end;
}

.site-footer__credit a {
  color: var(--brass-soft);
  border-bottom: 1px solid rgba(184, 149, 90, 0.35);
  transition: color 0.3s, border-color 0.3s;
}

.site-footer__credit a:hover {
  color: var(--paper);
  border-color: var(--brass-soft);
}

.site-footer__notice {
  justify-self: end;
  text-align: right;
  font-size: var(--text-xs);
  line-height: 1.45;
  color: var(--paper-muted);
  white-space: nowrap;
}

.site-footer__notice[hidden] {
  display: none;
}

@media (max-width: 820px) {
  .site-footer {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .site-footer__credit {
    justify-self: start;
  }

  .site-footer__notice {
    justify-self: start;
    text-align: left;
    white-space: normal;
  }
}

@media (max-width: 720px) {
  .brand {
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    margin-top: 0;
  }

  .brand__mark {
    margin-top: 0;
  }

  .brand__year {
    margin-top: 0;
    width: 100%;
    text-align: center;
    position: static;
    top: auto;
  }

  .music-volume {
    display: none;
  }

  .music-control__label {
    display: none;
  }

  .music-control__state {
    display: none;
  }

  .music-control__btn {
    padding: 0.5rem 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .music-control.is-playing .music-eq span {
    animation: none;
  }
}